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The following question based on operating system topic of computer mcq
(a) Printer
(b) Mouse
(c) Communication modules
(d) Disk/tape
The correct answers to the above question in:
Answer: (d)
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Read more operating system Based Computer Questions and Answers
Question : 1
Process control block is also referred as
a) Fast control block
b) Process descriptor
c) Task descriptor
d) A, B, C are all true.
Answer »Answer: (d)
Question : 2
A monitor program is a program that
a) interprets the interrupt calls
b) restores the status of the CPU after a function call
c) interprets the input from a keyboard and converts the input into its binary equivalent
d) checks the status of the I/O devices
Answer »Answer: (c)
Question : 3
A disk scheduling algorithm in an operating system causes the disk arm to seek back and forth across the disk surface servicing all requests in its path, based on
a) First Come First Served
b) Shortest Seek Time First
c) Sean
d) None of these
Answer »Answer: (c)
Question : 4
The operations of the processor are supervised by
a) Control and Status register
b) Data register.
c) Address register.
d) None of these.
Answer »Answer: (a)
Question : 5
The following is not an advantage of User Level Threads (ULT).
a) Thread switching does not requires kernel mode privileges because all of the thread management are within the user address space of a single process.
b) Here scheduling can be application specific.
c) ULT can be run an any operating system.
d) When ULT executes a system call, not only that thread blocked, but all of the threads within the process are blocked.
Answer »Answer: (d)
Question : 6
Virtual memory is
a) simple to implement
b) used on all major commercial operating systems
c) less efficient in utilization of memory
d) useful when fast I/O devices are not available
Answer »Answer: (c)
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operating system set 1
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